package io.gitee.yth.design.pattern.test.core.pattern.structural.facade.code.subsystem;

/**
 * @author yth
 * @since 2023-04-27-0:10
 */
public class Stereo {

    private static final Stereo instance = new Stereo();

    public static Stereo getInstance() {
        return instance;
    }

    private Stereo() {
    }

    public void on() {
        System.out.println("Stereo::on()");
    }

    public void off() {
        System.out.println("Stereo::off()");
    }

    public void turnUp() {
        System.out.println("Stereo::turnUp()");
    }

    public void turnDown() {
        System.out.println("Stereo::turnDown()");
    }

}
